<div my-restrict my-priority></div>
<div class="alert alert-danger" role="alert">优先级高的模板替换了优先级低的模板</div>
<pre>
  zppdirective .directive('myRestict', function() {
     return {
       restrict: 'EACM',
       priority: 1,
       template: '<div>我的优先级是1</div>'
     }
   })
   zppdirective .directive('myPriority', function() {
      return {
        restrict: 'EACM',
        priority: 2,
        template: '<div>我的优先级是2</div>'
      }
    })
</pre>
